TH

Takanobu Hatakeyama

HI Hitachi: 6 patents #6,582 of 28,497Top 25%
HM Hitachi Medical: 5 patents #140 of 680Top 25%
📍 Hitachinaka, JP: #494 of 2,447 inventorsTop 25%
Overall (All Time): #526,603 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
5721490 Power source apparatus including a plurality of output current amplifiers connected in parallel and MRI apparatus using the same Hiroshi Takano, Hiroyuki Takeuchi, Keiichi Chabata, Takuya Domoto 1998-02-24
4839915 Inverter type X-ray apparatus Kazuo Kaneko, Hirofumi Hino, Hideki Uemura, Kazuo Yamamoto 1989-06-13
4794506 Resonant DC-DC converter Hirofumi Hino 1988-12-27
4768215 X-ray generator with current measuring device Hisakatsu Kiwaki, Kayo Shimada, Hiroshi Okubo, Kazuo Kaneko 1988-08-30
4742535 Inverter type X-ray apparatus Hirofumi Hino, Hideki Uemura, Kazuo Kaneko, Kazuo Yamamoto 1988-05-03
4661757 Controller for AC elevator Sadao Hokari, Takamasa Hori, Katsu Komuro, Toshiroo Narita, Yasunori Katayama +1 more 1987-04-28
4553640 Controller for elevator Hiromi Inaba, Seiya Shima, Takeki Ando, Toshiaki Kurosawa, Yasunori Katayama +1 more 1985-11-19
4441584 AC Elevator control system Nobuo Mitsui, Yasuyuki Maeda, Tomiaki Kurihara, Seiya Shima, Katsu Komuro 1984-04-10
4387436 Method and apparatus for detecting elevator car position Yasunori Katayama, Seiya Shima, Sadao Hokari, Toshiro Narita, Kenji Yoneda +3 more 1983-06-07
4378059 Abnormal elevator speed detector Yasunori Katayama, Sadao Hokari, Kanji Yoneda, Tomiaki Kurihara, Toshio Meguro 1983-03-29